What is GHSA-qff6-4mmg-g5c9?

GHSA-qff6-4mmg-g5c9 is a security advisory published by GitHub Security Advisories with Medium severity. A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy...

Which CVE IDs does GHSA-qff6-4mmg-g5c9 cover?

GHSA-qff6-4mmg-g5c9 covers the following CVE IDs: CVE-2026-86566. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-qff6-4mmg-g5c9?

GHSA-qff6-4mmg-g5c9 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-qff6-4mmg-g5c9MediumCVSS 6.5

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy...

Vendor

GitHub Security Advisories

Published

October 14, 2026

Last Modified

October 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-86566 →

📋 Description

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-86566
https://access.redhat.com/security/cve/CVE-2026-86566
https://bugzilla.redhat.com/show_bug.cgi?id=2529684
https://github.com/advisories/GHSA-qff6-4mmg-g5c9